WO2008150120A1 - Système d'administration de médicaments par voie transdermique du type matrice et son procédé de préparation - Google Patents
Système d'administration de médicaments par voie transdermique du type matrice et son procédé de préparation Download PDFInfo
- Publication number
- WO2008150120A1 WO2008150120A1 PCT/KR2008/003166 KR2008003166W WO2008150120A1 WO 2008150120 A1 WO2008150120 A1 WO 2008150120A1 KR 2008003166 W KR2008003166 W KR 2008003166W WO 2008150120 A1 WO2008150120 A1 WO 2008150120A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- matrix
- layer
- adhesive
- delivery system
- capsaicin
- Prior art date
Links
- 238000013271 transdermal drug delivery Methods 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- YKPUWZUDDOIDPM-SOFGYWHQSA-N capsaicin Chemical compound COC1=CC(CNC(=O)CCCC\C=C\C(C)C)=CC=C1O YKPUWZUDDOIDPM-SOFGYWHQSA-N 0.000 claims abstract description 167
- 239000003814 drug Substances 0.000 claims abstract description 91
- 229940079593 drug Drugs 0.000 claims abstract description 89
- 239000000853 adhesive Substances 0.000 claims abstract description 76
- 230000001070 adhesive effect Effects 0.000 claims abstract description 76
- 229960002504 capsaicin Drugs 0.000 claims abstract description 63
- 235000017663 capsaicin Nutrition 0.000 claims abstract description 63
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000011159 matrix material Substances 0.000 claims abstract description 52
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 51
- 239000002904 solvent Substances 0.000 claims abstract description 43
- 229920001477 hydrophilic polymer Polymers 0.000 claims abstract description 25
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 133
- 239000012790 adhesive layer Substances 0.000 claims description 84
- 239000000463 material Substances 0.000 claims description 23
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 21
- -1 polyoxyethylene lauryl ether Polymers 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 7
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 7
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 7
- 235000013772 propylene glycol Nutrition 0.000 claims description 7
- 229960004063 propylene glycol Drugs 0.000 claims description 7
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 6
- 239000001593 sorbitan monooleate Substances 0.000 claims description 6
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 6
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 6
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 6
- RZRNAYUHWVFMIP-HXUWFJFHSA-N glycerol monolinoleate Natural products CCCCCCCCC=CCCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-HXUWFJFHSA-N 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- AKDLSISGGARWFP-UHFFFAOYSA-N Homodihydrocapsaicin Chemical compound COC1=CC(CNC(=O)CCCCCCCC(C)C)=CC=C1O AKDLSISGGARWFP-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- VQEONGKQWIFHMN-UHFFFAOYSA-N Nordihydrocapsaicin Chemical compound COC1=CC(CNC(=O)CCCCCC(C)C)=CC=C1O VQEONGKQWIFHMN-UHFFFAOYSA-N 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- YRHYCMZPEVDGFQ-UHFFFAOYSA-N methyl decanoate Chemical compound CCCCCCCCCC(=O)OC YRHYCMZPEVDGFQ-UHFFFAOYSA-N 0.000 claims description 4
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- RGOVYLWUIBMPGK-UHFFFAOYSA-N nonivamide Chemical compound CCCCCCCCC(=O)NCC1=CC=C(O)C(OC)=C1 RGOVYLWUIBMPGK-UHFFFAOYSA-N 0.000 claims description 4
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- VMPHSYLJUKZBJJ-UHFFFAOYSA-N trilaurin Chemical compound CCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCC)COC(=O)CCCCCCCCCCC VMPHSYLJUKZBJJ-UHFFFAOYSA-N 0.000 claims description 4
- ARIWANIATODDMH-AWEZNQCLSA-N 1-lauroyl-sn-glycerol Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)CO ARIWANIATODDMH-AWEZNQCLSA-N 0.000 claims description 3
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 claims description 3
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 claims description 3
- ARIWANIATODDMH-UHFFFAOYSA-N Lauric acid monoglyceride Natural products CCCCCCCCCCCC(=O)OCC(O)CO ARIWANIATODDMH-UHFFFAOYSA-N 0.000 claims description 3
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 claims description 3
- 239000001087 glyceryl triacetate Substances 0.000 claims description 3
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
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- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 claims description 2
- WECGLUPZRHILCT-GSNKCQISSA-N 1-linoleoyl-sn-glycerol Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(=O)OC[C@@H](O)CO WECGLUPZRHILCT-GSNKCQISSA-N 0.000 claims description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 2
- WITKSCOBOCOGSC-UHFFFAOYSA-N 2-dodecanoyloxypropyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCC(C)OC(=O)CCCCCCCCCCC WITKSCOBOCOGSC-UHFFFAOYSA-N 0.000 claims description 2
- BHIZVZJETFVJMJ-UHFFFAOYSA-N 2-hydroxypropyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCC(C)O BHIZVZJETFVJMJ-UHFFFAOYSA-N 0.000 claims description 2
- GJIIAJVOYIPUPY-UHFFFAOYSA-N 2-methylidenebut-3-enoic acid Chemical compound OC(=O)C(=C)C=C GJIIAJVOYIPUPY-UHFFFAOYSA-N 0.000 claims description 2
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 claims description 2
- LVGKNOAMLMIIKO-UHFFFAOYSA-N Elaidinsaeure-aethylester Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC LVGKNOAMLMIIKO-UHFFFAOYSA-N 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 2
- AAORACFZMYMFCG-UHFFFAOYSA-N N-[(4-hydroxy-2-iodo-5-methoxyphenyl)methyl]nonanamide Chemical compound CCCCCCCCC(=O)NCC1=CC(OC)=C(O)C=C1I AAORACFZMYMFCG-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920002564 Polyethylene Glycol 3500 Polymers 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- BAECOWNUKCLBPZ-HIUWNOOHSA-N Triolein Natural products O([C@H](OCC(=O)CCCCCCC/C=C\CCCCCCCC)COC(=O)CCCCCCC/C=C\CCCCCCCC)C(=O)CCCCCCC/C=C\CCCCCCCC BAECOWNUKCLBPZ-HIUWNOOHSA-N 0.000 claims description 2
- PHYFQTYBJUILEZ-UHFFFAOYSA-N Trioleoylglycerol Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)COC(=O)CCCCCCCC=CCCCCCCCC PHYFQTYBJUILEZ-UHFFFAOYSA-N 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- DRCMAZOSEIMCHM-UHFFFAOYSA-N capsazepine Chemical compound C1C=2C=C(O)C(O)=CC=2CCCN1C(=S)NCCC1=CC=C(Cl)C=C1 DRCMAZOSEIMCHM-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- XJQPQKLURWNAAH-UHFFFAOYSA-N dihydrocapsaicin Chemical compound COC1=CC(CNC(=O)CCCCCCC(C)C)=CC=C1O XJQPQKLURWNAAH-UHFFFAOYSA-N 0.000 claims description 2
- RBCYRZPENADQGZ-UHFFFAOYSA-N dihydrocapsaicin Natural products COC1=CC(COC(=O)CCCCCCC(C)C)=CC=C1O RBCYRZPENADQGZ-UHFFFAOYSA-N 0.000 claims description 2
- BLCTWBJQROOONQ-UHFFFAOYSA-N ethenyl prop-2-enoate Chemical compound C=COC(=O)C=C BLCTWBJQROOONQ-UHFFFAOYSA-N 0.000 claims description 2
- LVGKNOAMLMIIKO-QXMHVHEDSA-N ethyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC LVGKNOAMLMIIKO-QXMHVHEDSA-N 0.000 claims description 2
- 229940093471 ethyl oleate Drugs 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- MLJGZARGNROKAC-VQHVLOKHSA-N homocapsaicin Chemical compound CCC(C)\C=C\CCCCC(=O)NCC1=CC=C(O)C(OC)=C1 MLJGZARGNROKAC-VQHVLOKHSA-N 0.000 claims description 2
- JKIHLSTUOQHAFF-UHFFFAOYSA-N homocapsaicin Natural products COC1=CC(CNC(=O)CCCCCC=CC(C)C)=CC=C1O JKIHLSTUOQHAFF-UHFFFAOYSA-N 0.000 claims description 2
- JZNZUOZRIWOBGG-UHFFFAOYSA-N homocapsaicin-II Natural products COC1=CC(CNC(=O)CCCCC=CCC(C)C)=CC=C1O JZNZUOZRIWOBGG-UHFFFAOYSA-N 0.000 claims description 2
- GOBFKCLUUUDTQE-UHFFFAOYSA-N homodihydrocapsaicin-II Natural products CCC(C)CCCCCCC(=O)NCC1=CC=C(O)C(OC)=C1 GOBFKCLUUUDTQE-UHFFFAOYSA-N 0.000 claims description 2
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- BARWIPMJPCRCTP-UHFFFAOYSA-N oleic acid oleyl ester Natural products CCCCCCCCC=CCCCCCCCCOC(=O)CCCCCCCC=CCCCCCCCC BARWIPMJPCRCTP-UHFFFAOYSA-N 0.000 claims description 2
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- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 claims description 2
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- LADGBHLMCUINGV-UHFFFAOYSA-N tricaprin Chemical compound CCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCC)COC(=O)CCCCCCCCC LADGBHLMCUINGV-UHFFFAOYSA-N 0.000 claims description 2
- VLPFTAMPNXLGLX-UHFFFAOYSA-N trioctanoin Chemical compound CCCCCCCC(=O)OCC(OC(=O)CCCCCCC)COC(=O)CCCCCCC VLPFTAMPNXLGLX-UHFFFAOYSA-N 0.000 claims description 2
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- YKPUWZUDDOIDPM-VURMDHGXSA-N zucapsaicin Chemical compound COC1=CC(CNC(=O)CCCC\C=C/C(C)C)=CC=C1O YKPUWZUDDOIDPM-VURMDHGXSA-N 0.000 claims description 2
- 229960002860 zucapsaicin Drugs 0.000 claims description 2
- 208000002193 Pain Diseases 0.000 abstract description 14
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
- A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
- A61K9/7061—Polyacrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/16—Amides, e.g. hydroxamic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
Definitions
- the present invention relates to a matrix-type transdermal drug delivery system including capsaicin or a capsaicin derivative as an active component and that is used for treating neuropathy, pain, or inflammation, and a preparation method thereof.
- the present invention relates to a matrix-type transdermal drug delivery system including capsaicin or a capsaicin derivative as an active component and that is used for treating neuropathy, pain, or inflammation, and a preparation method thereof. More particularly, the present invention relates to a matrix-type transdermal drug delivery system that is capable of enhancing skin permeability and extending the medical efficacy maintaining time of the capsaicin or the capsaicin derivative, that is, the active component.
- the present invention also relates to a preparing method of the matrix- type transdermal drug delivery system that is capable of preparing the matrix-type transdermal drug delivery system more easily in a short time.
- Capsaicin is the active component of hot peppers that causes a spicy taste, and it is represented by the chemical name N-(4-hydroxy-3-methoxybenzyl)-8-methylnon-6- enamide). It is known that the capsaicin stimulates pain neurons of the sensory nerves and causes pain, and releases various mediators of inflammation at the early stage of administration, but its continuous administration incapacitates the neurons and brings an insensible state to other external stimulators as well as to the capsaicin. Such action of the capsaicin is called desensitization.
- the analgesic effect due to such desensitization is different from the analgesic effect of other anodynes in its functional mechanisms, and the analgesic effect is as strong as morphine.
- the capsaicin may be effectively used for treating neuropathy or inflammation.
- the capsaicin shows a stimulation effect at the early stage of oral administration, and it may give rise to hypothermia, contraction of the bronchial tube, increase of gastrointestinal activity, side effects to the cardiovascular system, such as hypotonia, or side effects to the respiratory system.
- the capsaicin when the capsaicin is formulated into an ointment and the like, it is required to rub the ointment three or four times or more a day by hand, because the skin permeability of the capsaicin may be reduced and the medical efficacy maintaining time is shortened. Further, the capsaicin remains on the hand, and therefore it may unnecessarily cause stimulation or pain, and it also may cause inconvenience in that clothes are stained by the ointment. Especially, such inconvenience increases because it is required to rub the ointment for a long time for treating pain and the like by using the capsaicin.
- a patch including a drug protecting layer, a polysiloxane-based layer including capsaicin, diethyleneglycol monoethyl ether, ethyl cellulose, and a silicone oil is disclosed in U.S. Publication No. 2004/0202707.
- a method of eliminating capsaicin remaining on the skin by using a cleansing gel after using a patch including capsaicin in a large quantity on the skin and removing the patch is disclosed in PCT publication No. WO04/021990.
- the capsaicin of a large quantity may stimulate the skin severely, and it is inconvenient in that the skin must be separately cleaned by using a cleansing gel after removing the patch.
- the medical efficacy maintaining time cannot be increased sufficiently, even though the capsaicin is formulated into the patch.
- the present invention is to provide a matrix-type transdermal drug delivery system that is capable of enhancing skin permeability of capsaicin or a capsaicin derivative, the active component, and extending the medical efficacy maintaining time of the active component.
- Another aspect of the present invention is to provide a preparing method of the matrix-type transdermal drug delivery system that is capable of preparing the matrix- type transdermal drug delivery system more easily in a short time.
- BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic sectioned drawing of the matrix-type transdermal drug delivery system according to an embodiment of the present invention.
- Fig. 2 is a graph representing accumulations of the permeated drugs with the passage of time when the matrix-type transdermal drug delivery system of Examples 1- 4 and Comparative Example 1 are applied.
- Fig. 3 is a graph representing accumulations of the permeated drugs with the passage of time when the matrix-type transdermal drug delivery system of Examples 5- 8 and Comparative Example 2 are applied.
- a matrix-type transdermal drug delivery system used for treating neuropathy, pain, or inflammation, and including: a drug protecting layer; a matrix layer formed on the drug protecting layer, and including 0.1-25 wt% of capsaicin or a capsaicin derivative, 40-95 wt% of an adhesive including a water-insoluble acrylic polymer, 1-30 wt% of an alcohol having a molecular weight of 600 Daltons or less, 0.1-20 wt% of a nonionic surfactant, 0.1-20 wt% of a solubilizing agent including a hydrophilic polymer; and a release liner formed on the matrix layer, is provided.
- the matrix-type transdermal drug delivery system basically includes a drug protecting layer, a matrix layer, and a release liner laminated in order.
- the drug protecting layer plays a role of preventing the active components from staining clothes or volatilizing and vanishing, by covering the matrix layer including the active components (the drugs).
- the drug protecting layer may preferably include a film or a nonwoven fabric consisting of polyester, polyurethane, polyethylene, or rayon. Since the transdermal drug delivery system includes the capsaicin or the capsaicin derivative as the active component and is used for treating neuropathy, pain, or inflammation, the transdermal drug delivery system for such use is easily applied to a bending part of a body, such as a joint, a finger, or a toe.
- the matrix-type transdermal drug delivery system can be adequately applied to various bending parts of a body because the drug protecting layer includes the film or the nonwoven fabric consisting of said materials.
- the release liner is a layer that covers and protects the matrix layer including the active component until the matrix-typed transdermal drug delivery system is used, and is eliminated just before the matrix-typed transdermal drug delivery system is attached to the skin.
- the release liner may include a drug impermeable film that is conventionally used for a release linerrelease liner of a matrix-type transdermal drug delivery system, for example, a patch.
- the matrix layer formed between the drug protecting layer and the release liner includes the following various components including the active component.
- the matrix layer includes the capsaicin or the capsaicin derivative as the active component.
- the matrix-type transdermal drug delivery system can be used for treating neuropathy, pain, or inflammation, because the matrix layer includes such active component.
- the active component may include any capsaicin-based material that is usable for treating neuropathy, pain, or inflammation.
- the capsaicin or the capsaicin derivative may include one material or a mixture of two or more materials selected from the group consisting of capsaicin, dihydrocapsaicin, nordihydrocapsaicin, homodihydrocapsaicin, homocapsaicin, capsazepine, N-vanillylnonanamide, (Z)-capsaicin, (E)-capsaicin, and 6-iodonordihydrocapsaicin.
- the capsaicin or the capsaicin derivative can be included with a content of 0.1- 25 wt%, and preferably with a content of 0.5-10 wt%, among the components forming the matrix layer.
- a content of the capsaicin or the capsaicin derivative is below 0.1 wt%, it is difficult to have it work properly, because the skin permeability excessively decreases due to the decrease of the concentration of the active component, and when the content is over 25 wt%, it may not be properly dissolved into the transdermal drug delivery system and may be extracted.
- the matrix layer includes the following components in addition to the capsaicin or the capsaicin derivative.
- the matrix layer includes an adhesive including a water-insoluble acrylic polymer.
- the acrylic polymer is superior in terms of adhesive power and adhesive durability in comparison with a water-soluble polymer used in a conventional plaster as an adhesive. Since the capsaicin or the capsaicin derivative is practically insoluble in water and has a low melting point (60-65 ° C), it is preferable to include the water- insoluble acrylic polymer as an adhesive. The reason is that the capsaicin or the capsaicin derivative is more soluble in the organic solvent in which the water-insoluble acrylic polymer is dissolved, and thus it is possible to increase the concentration of the active component much more in the matrix layer by using the water-insoluble acrylic polymer as an adhesive.
- the skin absorptance (the skin permeability) can be increased by raising the concentration of the active component in the transdermal drug delivery system, and it is also possible to show superior medical effects or characteristics, even it is applied to the skin for 1 day or more, and preferably 3 days or more, because the adhesive power is also good.
- the adhesive including the water-insoluble acrylic polymer having good adhesive durability it is also possible to lessen the amount of the adhesive used and to reduce the thickness of the transdermal drug delivery system to 30-300 ⁇ m, and preferably to 100-200 ⁇ m, and the adhering feeling of the transdermal drug delivery system is good even when it is applied to a bending part of the body for a long time.
- the water-insoluble acrylic polymer may include a homopolymer or a copolymer polymerized from one or more monomers selected from the group consisting of 2-ethylhexylacrylate, vinylacrylate, and vinylacrylic acid, and may further include any homopolymer or copolymer polymerized from various acrylic monomers in addition to the monomers, without limitation.
- the adhesive may include the water-insoluble acrylic polymer alone or may further include other polymers used as an adhesive for a matrix-type transdermal drug delivery system together.
- a natural or synthetic rubber such as a vinylacetate-based polymer, a polyisobutylene, a neoprene, a polybutadien, a polyisoprene, and the like, and an ethylenevinylacetate- based copolymer, a polysiloxane, a polyacrylate, or a polyurethane, and the like, can be included in company with the water-insoluble acrylic polymer.
- the adhesive including the water-insoluble acrylic polymer is included in the matrix layer with a content of 40-95 wt%, and preferably with a content of 45-85 wt%.
- the matrix layer also includes the alcohol having a molecular weight of 600
- the nonionic surfactant or a mixture thereof, as a skin permeation enhancer.
- the capsaicin or the capsaicin derivative, the active component shows high solubility in the alcohol having low molecular weight of 600 Daltons or less. Therefore, the active component stays in the matrix layer with high solubility in the alcohol, and slowly migrates toward the skin according to the concentration difference of the active component, and, at this time, the nonionic surfactant quickens the migration of the active component toward the skin.
- the skin permeability of the active component can be greatly improved and the medical efficacy maintaining time can be extended to 1 day or more, preferably to 3 days or more, and to a maximum of 7 days, when the matrix-type transdermal drug delivery system is attached to the skin, because the alcohol and the nonionic surfactant, the skin permeation enhancers, are included in the matrix layer.
- the alcohol may include a C 1 -C 12 alcohol(s) having a molecular weight of 600 Daltons or less, for example a material or a mixture of two or more materials selected from the group consisting of ethanol, isopropanol, butanol, benzylalcohol, triacetin, transcutol, propyleneglycol, glycerin, and a polyethyleneglycol having a molecular weight of 600 Daltons or less, and may preferably include propyleneglycol, triacetin, or transcutol.
- a material or a mixture of two or more materials selected from the group consisting of ethanol, isopropanol, butanol, benzylalcohol, triacetin, transcutol, propyleneglycol, glycerin, and a polyethyleneglycol having a molecular weight of 600 Daltons or less, and may preferably include propyleneglycol, triacetin, or transcutol.
- the surfactant is generally classified as an anionic surfactant, a cationic surfactant, an amphoteric surfactant, and a nonionic surfactant, and all of the surfactants can quicken the migration of the active component toward the skin.
- the nonionic surfactant can reduce damage to the skin and the other surfactants may cause damage to the skin (K. A. Water, Penetration enhancers and their use in transdermal therapeutic system, Transdermal Drug Delivery, pp212-224, Dekker, (1989); and Eagle et al., J. Toxicol, cut and Ocular toxicol, 11, 77- 92(1992)).
- the matrix layer includes the nonionic surfactant as the skin permeation enhancer.
- the nonionic surfactant for example, a material or a mixture of two or more materials selected from the group consisting of glycerol monolaurate, glycerol monooleate, glycerol monolinoleate, glycerol trilaurate, glycerol trioleate, glycerol tricaprylate, propylene glycol monolaurate, propylene glycol dilaurate, caprylic/capric triglyceride, methyl laurate, methyl caprate, isopropyl myristate, isopropyl palmitate, ethyl oleate, oleyl oleate, sorbitan monolaurate, sorbitan monooleate, polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene ethylene
- the skin permeation enhancers increase the skin permeability of the active component to a certain content in proportion to its content, but the skin permeability of the active component is not increased much at the content beyond that and the stimulation or the damage to the skin is increased. Therefore, in the skin permeation enhancers, the alcohol is included in the matrix layer with a content of 1-30 wt%, and preferably with a content of 5-25 wt%, and the nonionic surfactant is included in the matrix layer with a content of 0.1-20 wt%, and preferably with a content of 1-15 wt%.
- the skin permeation enhancers i.e., the nonionic surfactant and the alcohol
- the skin permeation enhancers may be included in the weight ratio of the nonionic surfactant to the alcohol at 1 : 1 to 1 :4 in the matrix layer. It is possible to improve the skin permeability and the medical efficacy maintaining time of the active component still more while reducing the stimulation or damage of the skin, and therefore the skin permeation enhancers are included in that weight ratio.
- the matrix layer further includes the solubilizing agent including the hydrophilic polymer. Such solubilizing agent plays a role of stably maintaining the concentration of the active component in the matrix layer or further improving its stability.
- the hydrophilic polymer included in the solubilizing agent may include a material or a mixture of two or more materials selected from the group consisting of polyvinylpyrrolidone, colloidal silicone dioxide, polyvinylalcohol, sodium carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, carbopol, and poloxamer, and it may also include various hydrophilic polymers in addition to the materials without limitation, and it may preferably include one material or a mixture of two or more materials of polyvinylpyrrolidone, colloidal silicone dioxide, or poloxamer.
- the solubilizing agent is included in the matrix layer with a content of 0.1-20 wt%, and preferably with a content of 1-15 wt%.
- the matrix layer may be formed into a single layer or a laminated structure of two or more layers.
- the matrix layer may be formed into a laminated structure of at least one adhesive layer and a drug containing layer, and may include the above-mentioned components separately in the layers or may include a part of the components together.
- the matrix-type transdermal drug delivery system according to another embodiment of the present invention is provided hereinafter.
- Such matrix-type transdermal drug delivery system includes: a drug protecting layer; a first adhesive layer formed on the drug protecting layer and including the adhesive including the water- insoluble acrylic polymer; a drug containing layer formed on the first adhesive layer and including the capsaicin or the capsaicin derivative; a second adhesive layer formed on the drug containing layer and including the adhesive including the water-insoluble acrylic polymer; and a release liner formed on the second adhesive layer.
- At least one layer of the first adhesive layer and the second adhesive layer may further include the alcohol having a molecular weight of 600 Daltons or less, the nonionic surfactant, or the solubilizing agent including the hydrophilic polymer, and the drug containing layer may further include the alcohol having a molecular weight of 600 Daltons or less, the nonionic surfactant, or the solubilizing agent including the hydrophilic polymer.
- the matrix-type transdermal drug delivery system is used for treating neuropathy, pain, or inflammation by including the capsaicin and the capsaicin derivative as the active component.
- the matrix-type transdermal drug delivery system includes: a drug protecting layer; a first adhesive layer formed on the drug protecting layer and including the adhesive including the water-insoluble acrylic polymer; a drug containing layer formed on the first adhesive layer and including the capsaicin or the capsaicin derivative, the alcohol having a molecular weight of 600 Daltons or less, and the solubilizing agent including the hydrophilic polymer; a second adhesive layer formed on the drug containing layer and including the adhesive including the water-insoluble acrylic polymer; and a release liner formed on the second adhesive layer.
- FIG. 1 A schematic sectioned drawing of the matrix-type transdermal drug delivery system according to this embodiment of the present invention is illustrated in Fig. 1.
- the matrix-type transdermal drug delivery system includes the drug protecting layer 1, the matrix layer 2a', 2b, 2a", and the release liner 3 laminated in order, like the first embodiment of the present invention, and the drug protecting layer 1 and the release liner 3 may include the film or the nonwoven fabric consisting of said materials and the drug impermeable film, respectively.
- the matrix layer 2a', 2b, 2a" includes the capsaicin or the capsaicin derivative as the active component, and further includes the adhesive including the water-insoluble acrylic polymer, the skin permeation enhancers of the alcohol having a molecular weight of 600 Daltons or less and the nonionic surfactant, and the solubilizing agent including the hydrophilic polymer.
- the components are omitted hereinafter, because the details of the components were explained with regard to the first embodiment of the present invention.
- the matrix layer 2a', 2b, 2a" includes the first adhesive layer 2a', the drug containing layer 2b, and the second adhesive layer 2a", laminated in order.
- the first and second adhesive layers 2a', 2a" may include the nonvolatile components among the components of the matrix layer 2a', 2b, 2a".
- the first and second adhesive layers 2a', 2a" include the adhesive including the water-insoluble acrylic polymer, and at least one layer of the first and second adhesive layers 2a', 2a" further include the alcohol having a molecular weight of 600 Daltons or less, the nonionic surfactant, or the solubilizing agent including the hydrophilic polymer.
- the drug containing layer 2b mainly includes the volatile components, for example, the active component of the capsaicin or the capsaicin derivative, the alcohol having a molecular weight of 600 Daltons or less, and the solubilizing agent including the hydrophilic polymer.
- the drug containing layer 2b may further include the nonionic surfactant.
- the matrix-type transdermal drug delivery system including the matrix layer 2a', 2b, 2a" in a short time, according to classifying the components into the volatile components and the nonvolatile components and including the components separately in each layer.
- the matrix-type transdermal drug delivery system can be prepared by steps of coating a composition including the adhesive and the other nonvolatile components on the drug protecting layer 1 and the release liner 3, evaporating and eliminating the organic solvent included in the composition by drying so as to prepare the first and second adhesive layers 2a', 2a", and coating a composition including the volatile component (the active component) on the first adhesive layer 2a' and the second adhesive layer 2a".
- the drying process can be carried out at relatively high temperature in a short time without a loss of the volatile components, especially the active component, because the composition of the volatile components is separately coated after the steps of coating and drying the composition of the nonvolatile components, which does not contain the volatile components, especially the active component of the capsaicin or the capsaicin derivative. Therefore, the matrix-type transdermal drug delivery system including the matrix layer can be easily prepared in a short time.
- the first adhesive layer 2a' or the second adhesive layer 2a" may separately include any one or two or more components of the nonionic surfactant, the alcohol, or the solubilizing agent in each layer in addition to the adhesive, or may include all of the components together in one layer, and it is also possible that only one layer of the first and second adhesive layers 2a', 2a" includes any one or two or more components, or both of the first and second adhesive layers 2a', 2a” include any one or two or more components. Furthermore, the first adhesive layer 2a 1 or the second adhesive layer 2a" may not include such components, and the constitution of the first adhesive layer 2a' or the second adhesive layer 2a" may be same or different each other.
- the second adhesive layer 2a" may preferably include the nonionic surfactant, the alcohol, and the solubilizing agent in addition to the adhesive. Because these components are included in the second adhesive layer 2a" that contacts the skin when the matrix-type transdermal drug delivery system is adhered, the active component that is highly dissolved in the alcohol of the drug containing layer 2b slowly migrates toward the second adhesive layer 2a" which is near the skin, due to the concentration difference, and can be slowly dissolved in the alcohol with help of the solubilizing agent. The migration of the active component is promoted by the nonionic surfactant of the second adhesive layer 2a" and the active component can rapidly permeate the skin.
- the nonionic surfactant and the alcohol may be included in the weight ratio of the nonionic surfactant to the alcohol of 1:1 to 1:4, in the adhesive layer. Because the skin permeation enhancers of the alcohol and the nonionic surfactant are included in the matrix layer, the skin permeability of the active component can be greatly improved according to the above-mentioned mechanism, and the medical efficacy maintaining time can be extended to 1 day or more, preferably to 3 days or more, and to a maximum of 7 days when the matrix-type transdermal drug delivery system is attached to the skin.
- the first adhesive layer 2a' which is positioned between the drug containing layer 2b and the drug protecting layer 1 and does not contact the skin, may include only the adhesive, however, the first adhesive layer 2a' may also include the nonionic surfactant, the alcohol, and the solubilizing agent, preferably, in addition to the adhesive. With this, it is possible to further improve the skin permeability and the medical efficacy maintaining time of the active component.
- the first adhesive layer 2a' may include 20-75 wt% of the adhesive, 0-19.9 wt% of the nonionic surfactant, 0-29 wt% of the alcohol, and 0-19.9 wt% of the solubilizing agent
- the drug containing layer 2b may include 0.1-25 wt% of the capsaicin or the capsaicin derivative, 0-15 wt% of the nonionic surfactant, 0-30 wt% of the alcohol having a molecular weight of 600 Daltons or less, and 0-20 wt% of the solubilizing agent including the hydrophilic polymer
- the second adhesive layer 2a" may include 20-75 wt% of the adhesive, 0-20 wt% of the nonionic surfactant, 0-29 wt% of the alcohol, and 0-19.9 wt% of the solubilizing agent, on the basis of the total weight of the
- the first adhesive layer 2a' may include 20-75 wt% of the adhesive, 0-19.9 wt% of the nonionic surfactant, 0-29 wt% of the alcohol, and 0-19.9 wt% of the solubilizing agent
- the drug containing layer 2b may include 0.1-25 wt% of the capsaicin or the capsaicin derivative, 0-15 wt% of the nonionic surfactant, 1-30 wt% of the alcohol having a molecular weight of 600 daltons or less, and 0.1-20 wt% of the solubilizing agent including the hydrophilic polymer
- the second adhesive layer 2a" may include 20- 75 wt% of the adhesive, 0.1-20 wt% of the nonionic surfactant, 0-29 wt% of the alcohol, and 0-19.9 wt% of the solubilizing agent, on the basis of the total
- the first adhesive layer 2a' may include 20-75 wt% of the adhesive, 0.1-10 wt% of the nonionic surfactant, 0.1-15 wt% of the alcohol, and 0.1-5 wt% of the solubilizing agent
- the drug containing layer 2b may include 0.1-25 wt% of the capsaicin or the capsaicin derivative, 0-5 wt% of the nonionic surfactant, 1-15 wt% of the alcohol having a molecular weight of 600 daltons or less, and 0.1-5 wt% of the solubilizing agent including the hydrophilic polymer
- the second adhesive layer 2a" may include 20- 75 wt% of the adhesive, 0.1-10 wt% of the nonionic surfactant, 0.1-15 wt% of the alcohol, and 0.1-5 wt% of the solubilizing agent, on the basis of the total weight of the matrix layer 2
- the matrix layer 2a', 2b, 2a" includes the components separately in each layer with such concentration ratio, it is possible to further improve the skin permeability of the capsaicin or the capsaicin derivative, the active component, and it is also possible to extend the medical efficacy maintaining time greatly to 1 day or more, preferably to 3 days or more, and to a maximum of 7 days.
- the alcohol may be included in the first adhesive laye ⁇ the drug containing layerthe second adhesive layer in the weight ratio of 1:1-6:0.5-3, and preferably in the weight ratio of 1:3-4:1, and the nonionic surfactant may be included in the first adhesive layer :the drug containing laye ⁇ the second adhesive layer in the weight ratio of 1 :0-1 :0.5-2, and preferably in the weight ratio of 1:0:1.
- the solubilizing agent may be included in the first adhesive laye ⁇ the drug containing laye ⁇ the second adhesive layer in the weight ratio of 1:0-1 :0.2-5, and preferably in the weight ratio of 3:1 :3.
- the skin permeation enhancers of the alcohol and the nonionic surfactant, and the solubilizing agent are separately included in each layer with such weight ratio, it is possible to include the capsaicin or the capsaicin derivative, the active component, in the drug containing layer 2b in high concentration, and it is also possible to maximize the skin permeability of the active component and to extend the medical efficacy maintaining time when the matrix-type transdermal drug delivery system is adhered to the skin due to the concentration difference and the solubility of the active component.
- the first adhesive layer 2a' may have a thickness of 10-60jUm, and the second adhesive layer
- the total thickness of the first and second adhesive layers 2a', 2a" may be 30-300 ⁇ m, and is preferably 50-200/ ⁇ n. Furthermore, a preparation method of the matrix-type transdermal drug delivery system is provided according to this embodiment of the present invention.
- the single layer matrix-type transdermal drug delivery system is prepared by steps of mixing the drug and the excipients uniformly, coating the same on the drug protecting layer 1, drying the same so as to form a single matrix layer, and then covering the release liner 3.
- an adhesive solution containing the adhesive including the water-insoluble acrylic polymer is separately coated on the drug protecting layer 1 and the release liner 3, first.
- the adhesive solution obtained by dissolving the adhesive component including the adhesive into an organic solvent of n-hexane, toluene, ethylacetate, and the like can be used, and the adhesive solution coated on at least one layer of the drug protecting layer 1 and the release liner 3 may further include the nonionic surfactant, the alcohol having a molecular weight of 600 Daltons or less, the solubilizing agent including the hydrophilic polymer, or all of the components together.
- first adhesive layer 2a' or the second adhesive layer 2a" including any one or two or more components of the nonionic surfactant, the alcohol, or the solubilizing agent selectively in addition to the adhesive by carrying out the steps of coating the adhesive solution, and drying the same when necessary.
- each adhesive solution coated on the drug protecting layer 1 and the release liner 3 is dried after carrying out the coating step.
- the organic solvent included in the adhesive solution can be evaporated and eliminated by drying the coated adhesive solution at a high temperature of 80-120 ° C for a short time of 1-10 minutes.
- the first adhesive layer 2a' and the second adhesive layer 2a" are formed on the drug protecting layer 1 and the release liner 3, respectively.
- the drying step can be carried out at a high temperature for a short time because the adhesive solution respectively coated on the drug protecting layer 1 and the release liner 3 does not include the active component of the capsaicin or the capsaicin derivative and there is no loss of the active component by evaporating in the drying step.
- the drug containing layer 2b is prepared by coating the volatile component, which is the capsaicin or the capsaicin derivative, the solubilizing agent including the hydrophilic polymer, and the alcohol having a molecular weight of 600
- the nonionic surfactant may be coated together therewith. Since the drying step is not carried out during the step of preparing the drug containing layer 2b, it is possible to easily manufacture the matrix-type transdermal drug delivery system including the capsaicin or the capsaicin derivative as the active component in a short time without a loss of the active component.
- the coating step can be carried out by spraying the solution including the volatile component with a spray method, or by coating a fixed amount of the solution through a nozzle.
- the solution having viscosity that is suitable to carry out the coating step can be obtained by adequately adding the solubilizing agent including the hydrophilic polymer into a mixture solution of the active component of the capsaicin or the capsaicin derivative and the alcohol having a molecular weight of 600 Daltons or less (or the nonionic surfactant).
- the content of the active component and the drug containing layer 2b including the same can be controlled by adequately controlling the spraying time of the solution, the speed of the metering pump, the nozzle size, and the like, in the coating step.
- the matrix-type transdermal drug delivery system can be finally prepared by forming the matrix layer including the first adhesive layer 2a', the drug containing layer 2b, and the second adhesive layer 2a", laminated in order, by adhering the first adhesive layer 2a' and the second adhesive layer 2a" to face each other.
- the skin permeability of the active component can be greatly improved and the medical efficacy maintaining time can be extended to 1 day or more, and to a maximum of 7 days, by formulating the capsaicin or the capsaicin derivative into the matrix-type transdermal drug delivery system of the present invention.
- the matrix-type transdermal drug delivery system of the present invention can be applied to a neuropathy treatment or a pain treatment requiring longtime medication and can make such long-time medication easy. Furthermore, the economical mass production of the matrix-type transdermal drug delivery system is possible, because it is possible to produce the matrix-type transdermal drug delivery system including the active component more easily in a short time.
- the matrix-type transdermal drug delivery system (the patch) is prepared by laminating the drug containing layer 2b between two adhesive layers 2a', 2a", according to the following method, and the component constitution of the matrix layer 2a ? , 2b, 2a" is disclosed in Tables 1 to 3.
- An acrylate adhesive (National Starch & Duro-Tak, 87-2196, 87-4098, 87-4350, 87-2852, 87-2100) was introduced into a 50 ml sampling bottle, a skin permeation enhancer and a solubilizing agent disclosed in Tables 1 to 3 were further introduced therein so as to produce an adhesive solution, and then the solution was stirred at 200rpm until the adhesive solution was completely uniform. The adhesive solution was stored for 10 minutes or more in order to eliminate bubbles.
- the drug protecting layer 1 and the first adhesive layer 2a' were then prepared by coating the adhesive solution on the drug protecting film (Vilene nonwoven polyester, 3M nonwoven polyurethane 9905, 3M spunlaced nonwoven polyester 1538, 3M rayon nonwoven 1533, 3M rayon acetate) and drying the same at a high temperature of 80-120 °C for 8-12 minutes by using a "Lab coater and Dryer” (Swiss, Mathis Co.).
- the drug protecting film Vinyl nonwoven polyester, 3M nonwoven polyurethane 9905, 3M spunlaced nonwoven polyester 1538, 3M rayon nonwoven 1533, 3M rayon acetate
- the release liner 3 and the second adhesive layer 2a" were prepared by coating the adhesive solution on the exfoliating film 3 (3M Scotchpak 9744, 1022, 3M paper release liner 1361, 9743) and drying the same at a high temperature of 80-120 ° C for 8- 12 minutes, in the same method.
- the skin permeation enhancer, the solubilizing agent, and the capsaicin (Taiwan, Formosa Laboratory) disclosed in Tables 1 to 3 were introduced into a 50 ml sampling bottle together and stirred at 200rpm till the solution was completely uniform.
- the prepared solution was stored for 10 minutes or more in order to eliminate bubbles.
- the drug containing layer 2b was formed on the dried second adhesive layer 2a" by coating the solution with a nozzle.
- the patches of Examples 1-11 do not contain an extra membrane for release controlling of the active component.
- the only barrier for release controlling of the active component toward the skin may be the skin itself or the stratum corneum which is the upper part of the skin tissue.
- drug i.e. the capsaicin of the active component
- penetrating tests were carried out to the skin of a dead human body (52 years old, male, Caucasian, the thigh part) by applying the Frantz Diffusion Cell automatic elution tester (U.S., Hanson Research Co.), which is well known to a person skilled in the related art, to the patches of Examples 1-11.
- the results of the tests are listed in Tables 1-3.
- the accumulations of the drugs penetrated into the skin with the passage of time are also illustrated in Figs. 2 and 3.
- the testing results about the patches of Examples 1-4 are compared with Comparative Example 1 (a commercialized capsaicin ointment) in Table 1 and Fig. 2
- the testing results about the patches of Examples 5-8 are compared with Comparative Example 2 in Table 2 and Fig. 3
- the testing results about the patches of Examples 9-11 are compared with Comparative Example 3 in
- the other components are separately distributed in the first adhesive layerthe drug containing layer:the second adhesive layer, as the following weight ratio in order, the adhesive of 1 :0:1, propylene glycol of 1:3:1, Span 20® of 1:0:1, polyvinylpyrrolidone of 2:1:2, and colloidal silicone dioxide of 3:1:3.
- the other components are separately distributed in the first adhesive laye ⁇ the drug containing laye ⁇ the second adhesive layer, as following weight ratio in order, the adhesive of 1:0:1, propylene glycol of 1:4:1, sorbitan monooleate of 1:0:1, polyvinylpyrrolidone of 3:1:3, and colloidal silicone dioxide of 2:1:2.
- Example 9 the other components of Example 9 are separately distributed in the first adhesive laye ⁇ the drug containing laye ⁇ the second adhesive layer, as the following weight ratio in order, the adhesive of 1 :0:1, propylene glycol of 0:1 :0, sorbitan monooleate of 1 :0:0, polyvinylpyrrolidone of 2:1 :2, and colloidal silicone dioxide of 3:1 :3.
- Example 10 The other components of Example 10 are separately distributed in the first adhesive laye ⁇ the drug containing laye ⁇ the second adhesive layer, as the following weight ratio in order, the adhesive of 1:0:1, propylene glycol of 1:4:1, sorbitan monooleate of 0:0:0, polyvinylpyrrolidone of 3:1 :3, colloidal silicone dioxide of 2:1:2. Further, all of the other components of Example 11 are distributed in the single matrix layer which is not a laminated structure. Comparative Example 4 was prepared by the component constitution that is used for an ordinary matrix-type transdermal drug delivery system.
- the patches of Examples 1-11 show largely improved skin permeability of the active component, i.e., the drug penetrating amount, in comparison with Comparative Examples 1-4. It is also known that the drug penetrating amount is improved still more in the case of including the other components separately in each layer. Furthermore, referring to Figs. 2 and 3, it is also indicated that the accumulation of the drug penetrated into the skin is largely increased with the passage of time by adhering the patches of Examples 1-8, in comparison with Comparative Examples 1-4, and the medical efficacy maintaining time is largely increased.
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Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/602,256 US8404277B2 (en) | 2007-06-08 | 2008-06-05 | Matrix-type transdermal drug delivery system and preparation method thereof |
BRPI0812368-3A2A BRPI0812368A2 (pt) | 2007-06-08 | 2008-06-05 | Sistemas de liberação de droga transdérmica do tipo matriz e respectivo método de preparação. |
CA2688294A CA2688294C (fr) | 2007-06-08 | 2008-06-05 | Systeme d'administration de medicaments par voie transdermique du type matrice et son procede de preparation |
CN2008800193098A CN101677969B (zh) | 2007-06-08 | 2008-06-05 | 骨架型透皮给药系统及其制备方法 |
JP2010511118A JP5542665B2 (ja) | 2007-06-08 | 2008-06-05 | マトリックス型経皮投与剤およびその製造方法 |
EP08766128.6A EP2155175B1 (fr) | 2007-06-08 | 2008-06-05 | Système d'administration de médicaments par voie transdermique du type matrice et son procédé de préparation |
AU2008260774A AU2008260774B2 (en) | 2007-06-08 | 2008-06-05 | Matrix-type transdermal drug delivery system and preparation method thereof |
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KR20070056299 | 2007-06-08 | ||
KR10-2007-0056299 | 2007-06-08 |
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WO2008150120A1 true WO2008150120A1 (fr) | 2008-12-11 |
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Family Applications (1)
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PCT/KR2008/003166 WO2008150120A1 (fr) | 2007-06-08 | 2008-06-05 | Système d'administration de médicaments par voie transdermique du type matrice et son procédé de préparation |
Country Status (9)
Country | Link |
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US (1) | US8404277B2 (fr) |
EP (1) | EP2155175B1 (fr) |
JP (1) | JP5542665B2 (fr) |
KR (1) | KR101000945B1 (fr) |
CN (1) | CN101677969B (fr) |
AU (1) | AU2008260774B2 (fr) |
BR (1) | BRPI0812368A2 (fr) |
CA (1) | CA2688294C (fr) |
WO (1) | WO2008150120A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3071441B2 (ja) | 1990-02-03 | 2000-07-31 | 臼井国際産業株式会社 | 多重巻鋼管とその製造方法及びそれに用いる帯材 |
CA2824735A1 (fr) * | 2011-01-31 | 2012-08-09 | Nippon Zoki Pharmaceutical Co., Ltd. | Medicament prophylactique ou therapeutique pour neuropathie peripherique provoquee par un agent anticancereux |
US9827696B2 (en) | 2011-06-17 | 2017-11-28 | Fiberweb, Llc | Vapor-permeable, substantially water-impermeable multilayer article |
DK2723568T3 (en) | 2011-06-23 | 2017-10-23 | Fiberweb Llc | Vapor permeable, essentially all water impermeable, multilayer |
US10369769B2 (en) | 2011-06-23 | 2019-08-06 | Fiberweb, Inc. | Vapor-permeable, substantially water-impermeable multilayer article |
EP2723567A4 (fr) | 2011-06-24 | 2014-12-24 | Fiberweb Inc | Article multicouches perméable à la vapeur d'eau, mais essentiellement imperméable à l'eau |
CN102670566B (zh) * | 2012-01-12 | 2013-08-07 | 河南科技大学 | 一种环糊精衍生物透皮复合膜剂及其制备方法 |
US11191734B2 (en) * | 2015-06-27 | 2021-12-07 | Shenox Pharmaceuticals, Llc | Ketamine transdermal delivery system |
KR101621945B1 (ko) | 2015-07-02 | 2016-05-17 | 주식회사 엘지생활건강 | 이층 구조의 나노 크기 구멍을 가진 마이크로니들 및 이의 제조 방법 |
KR102414416B1 (ko) * | 2016-06-27 | 2022-06-28 | 유니 참 코포레이션 | 온감 시트 |
KR101883737B1 (ko) * | 2016-12-26 | 2018-07-31 | (주) 태광직물 | 캡사이신 오일 캡슐을 포함하는 밴딩용 점착제 조성물 및 그를 포함하는 스포츠테이핑용 기능성 밴드 |
KR101880442B1 (ko) * | 2017-02-02 | 2018-07-23 | 대구한의대학교산학협력단 | 혈압 강하용 패치 조성물 |
CN109789369B (zh) * | 2017-03-17 | 2022-01-11 | 住友化学株式会社 | 气体分离膜元件、气体分离膜模块及气体分离装置 |
CN115006379B (zh) * | 2021-12-28 | 2023-12-15 | 南京清普生物科技有限公司 | 一种trpv1激动剂原位膜剂组合物,及其制备方法和用途 |
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- 2008-06-05 JP JP2010511118A patent/JP5542665B2/ja not_active Expired - Fee Related
- 2008-06-05 WO PCT/KR2008/003166 patent/WO2008150120A1/fr active Application Filing
- 2008-06-05 BR BRPI0812368-3A2A patent/BRPI0812368A2/pt active Search and Examination
- 2008-06-05 AU AU2008260774A patent/AU2008260774B2/en not_active Ceased
- 2008-06-05 EP EP08766128.6A patent/EP2155175B1/fr not_active Not-in-force
- 2008-06-05 KR KR1020080053294A patent/KR101000945B1/ko not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP5542665B2 (ja) | 2014-07-09 |
BRPI0812368A2 (pt) | 2015-02-03 |
EP2155175A1 (fr) | 2010-02-24 |
CN101677969B (zh) | 2011-12-28 |
CA2688294A1 (fr) | 2008-12-11 |
EP2155175B1 (fr) | 2014-03-12 |
AU2008260774B2 (en) | 2011-01-06 |
CA2688294C (fr) | 2012-08-07 |
CN101677969A (zh) | 2010-03-24 |
AU2008260774A1 (en) | 2008-12-11 |
US8404277B2 (en) | 2013-03-26 |
KR101000945B1 (ko) | 2010-12-13 |
JP2010529116A (ja) | 2010-08-26 |
KR20080108050A (ko) | 2008-12-11 |
EP2155175A4 (fr) | 2013-01-23 |
US20100172946A1 (en) | 2010-07-08 |
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